コード例 #1
0
ファイル: phylink.c プロジェクト: SantoshShilimkar/linux
int phylink_connect_phy(struct phylink *pl, struct phy_device *phy)
{
	int ret;

	ret = phy_attach_direct(pl->netdev, phy, 0, pl->link_interface);
	if (ret)
		return ret;

	ret = phylink_bringup_phy(pl, phy);
	if (ret)
		phy_detach(phy);

	return ret;
}
コード例 #2
0
ファイル: phylink.c プロジェクト: markus-oberhumer/linux
/**
 * phylink_of_phy_connect() - connect the PHY specified in the DT mode.
 * @pl: a pointer to a &struct phylink returned from phylink_create()
 * @dn: a pointer to a &struct device_node.
 * @flags: PHY-specific flags to communicate to the PHY device driver
 *
 * Connect the phy specified in the device node @dn to the phylink instance
 * specified by @pl. Actions specified in phylink_connect_phy() will be
 * performed.
 *
 * Returns 0 on success or a negative errno.
 */
int phylink_of_phy_connect(struct phylink *pl, struct device_node *dn,
			   u32 flags)
{
	struct device_node *phy_node;
	struct phy_device *phy_dev;
	int ret;

	/* Fixed links and 802.3z are handled without needing a PHY */
	if (pl->link_an_mode == MLO_AN_FIXED ||
	    (pl->link_an_mode == MLO_AN_INBAND &&
	     phy_interface_mode_is_8023z(pl->link_interface)))
		return 0;

	phy_node = of_parse_phandle(dn, "phy-handle", 0);
	if (!phy_node)
		phy_node = of_parse_phandle(dn, "phy", 0);
	if (!phy_node)
		phy_node = of_parse_phandle(dn, "phy-device", 0);

	if (!phy_node) {
		if (pl->link_an_mode == MLO_AN_PHY)
			return -ENODEV;
		return 0;
	}

	phy_dev = of_phy_attach(pl->netdev, phy_node, flags,
				pl->link_interface);
	/* We're done with the phy_node handle */
	of_node_put(phy_node);

	if (!phy_dev)
		return -ENODEV;

	ret = phylink_bringup_phy(pl, phy_dev);
	if (ret)
		phy_detach(phy_dev);

	return ret;
}
コード例 #3
0
ファイル: phylink.c プロジェクト: markus-oberhumer/linux
static int __phylink_connect_phy(struct phylink *pl, struct phy_device *phy,
		phy_interface_t interface)
{
	int ret;

	if (WARN_ON(pl->link_an_mode == MLO_AN_FIXED ||
		    (pl->link_an_mode == MLO_AN_INBAND &&
		     phy_interface_mode_is_8023z(interface))))
		return -EINVAL;

	if (pl->phydev)
		return -EBUSY;

	ret = phy_attach_direct(pl->netdev, phy, 0, interface);
	if (ret)
		return ret;

	ret = phylink_bringup_phy(pl, phy);
	if (ret)
		phy_detach(phy);

	return ret;
}
コード例 #4
0
ファイル: phylink.c プロジェクト: SantoshShilimkar/linux
int phylink_of_phy_connect(struct phylink *pl, struct device_node *dn)
{
	struct device_node *phy_node;
	struct phy_device *phy_dev;
	int ret;

	/* Fixed links are handled without needing a PHY */
	if (pl->link_an_mode == MLO_AN_FIXED)
		return 0;

	phy_node = of_parse_phandle(dn, "phy-handle", 0);
	if (!phy_node)
		phy_node = of_parse_phandle(dn, "phy", 0);
	if (!phy_node)
		phy_node = of_parse_phandle(dn, "phy-device", 0);

	if (!phy_node) {
		if (pl->link_an_mode == MLO_AN_PHY) {
			netdev_err(pl->netdev, "unable to find PHY node\n");
			return -ENODEV;
		}
		return 0;
	}

	phy_dev = of_phy_attach(pl->netdev, phy_node, 0, pl->link_interface);
	/* We're done with the phy_node handle */
	of_node_put(phy_node);

	if (!phy_dev)
		return -ENODEV;

	ret = phylink_bringup_phy(pl, phy_dev);
	if (ret)
		phy_detach(phy_dev);

	return ret;
}